TM 5-3895-370-14&P CHAPTER 5 DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS Para Contents Page 5-1 Common Tools and Equipment ........................................................................................................... 5-2 5-2 Special Tools, TMDE, and Support Equipment..................................................................................... 5-3 5-3 Repair Parts ...................................................................................................................................... 5-3 5-4 PMCS Introductory Material................................................................................................................ 5-4 5-5 Maintenance Forms and Records  ....................................................................................................... 5-4 5-6 General PMCS Procedures and Conditions ......................................................................................... 5-4 5-7 Fluid Leakage Definition ..................................................................................................................... 5-6 5-8 PMCS Table Description .................................................................................................................... 5-6 5-9 Troubleshooting Introduction............................................................................................................... 5-7 5-10 Troubleshooting Symptoms ................................................................................................................ 5-7 5-11 Direct and General Support Troubleshooting Procedures  ..................................................................... 5-7 5-12 Engine Replacement .......................................................................................................................... 5-23 5-13 Installation/Removal of Engine on Stand.............................................................................................. 5-29 5-14 Engine Mount Replacement................................................................................................................ 5-30 5-15 Engine Subbase Replacement............................................................................................................ 5-34 5-16 Cylinder Head Assembly Replacement................................................................................................ 5-35 5-17 Engine Oil Seals Replacement............................................................................................................ 5-39 5-18 Engine Rear Oil Seal and Cover Replacement ..................................................................................... 5-41 5-19 Flywheel Replacement ....................................................................................................................... 5-43 5-20 Flywheel Housing Replacement .......................................................................................................... 5-46 '5-21 Crankshaft Pulley Replacement .......................................................................................................... 5-49 5-22 Rocker Arm Assembly Replacement/Repair......................................................................................... 5-50 5-23 Timing Pin Assembly Replacement ..................................................................................................... 5-54 5-24 Tappet Cover Replacement ................................................................................................................ 5-56 5-25 Gear Cover Replacement/Repair   ....................................................................................................... 5-58 5-26 Gear Housing Replacement/Repair..................................................................................................... 5-60 5-27 Engine Oil Filter Head and Cooler Repair ............................................................................................ 5-62 5-28 Engine Oil Pan and Sump Tube Replacement  ..................................................................................... 5-65 5-29 Engine Oil Lube Pump Replacement ................................................................................................... 5-68 5-30 Fuel Injector Replacement .................................................................................................................. 5-71 5-31 Fuel Injection Pump Replacement ....................................................................................................... 5-75 5-32 Alternator Pulley and Fan Replacement............................................................................................... 5-82 5-33 Alternator Assembly Testing ............................................................................................................... 5-83 5-34 Alternator Assembly Repair ................................................................................................................ 5-86 5-35 Starter Testing ................................................................................................................................... 5-93 5-36 Starter Repair .................................................................................................................................... 5-97 5-37 Hydraulic Variable-speed Pump Replacement/Repair........................................................................... 5-108 5-38 Hydraulic Fixed-speed Pump Replacement/Repair............................................................................... 5-122 5-39 Pump Drive Assembly Replacement  ................................................................................................... 5-127 5-40 Axle Replacement/Repair  .................................................................................................................. 5-131 5-41 Air Relay Valve Repair   ...................................................................................................................... 5-138 5-42 Air Pressure Protection Valve Repair................................................................................................... 5-143 5-43 Air Ratio Relay Valve Repair............................................................................................................... 5-145 5-44 Air Brake Chamber Replacement ........................................................................................................ 5-151 5-45 Main Springs Replacement ................................................................................................................. 5-154 5-46 Shock Absorber Replacement  ............................................................................................................ 5-157 5-1